.rui-snake-game-page-content{
  .rui-board-li{
    flex: none;
    width: calc(100vw / 45);
    height: calc(100vw / 45);
    color: #fff;
    font-size: 14px;
  }
  .rui-de-btn{
    width: 100px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}